Sodium dependence of the rate of onset of the ouabain-induced positive inotropic effect on cardiac muscle.
D000818:Animals; D001001:Anura; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006352:Heart Ventricles; D066298:In Vitro Techniques; D009119:Muscle Contraction; D010042:Ouabain / Q000494:pharmacology*; D012964:Sodium / Q000502:physiology*; D013268:Stimulation, Chemical; D013997:Time Factors
D010042:Ouabain; D012964:Sodium